Amendment for plugwise platform update

[CoMPaTech]

Proposed change

As two of our PRs are still to be filed (i.e. binary_sensor and switch) the documentation should reflect this. I wrote it down as todo in one of the child PRs, but we pinged ok for merge and it slipped my mind while fetching tea :(

For those rightfully wondering: the statements in the documentation are still correct, Anna support continues (though breaking as per config_flow instead of yaml) and Adam and P1 users able to use this. The upcoming PRs handle 'plugs' (i.e. switches within a climate environment) and domestic how water and secondary heater binary_sensors.

Type of change

• Spelling, grammar or other readability improvements (current branch).
• Adjusted missing or incorrect information in the current documentation (current branch).
• Added documentation for a new integration I'm adding to Home Assistant (next branch).
  • I've opened up a PR to add logo's and icons in Brands repository.
• Added documentation for a new feature I'm adding to Home Assistant (next branch).
• Removed stale or deprecated documentation.

Additional information

• Link to parent pull request in the codebase: Update plugwise platform #12738
• Link to parent pull request in the Brands repository:
• This PR fixes or closes issue:

Checklist

• This PR uses the correct branch, based on one of the following:
  • I made a change to the existing documentation and used the current branch.
  • I made a change that is related to an upcoming version of Home Assistant and used the next branch.
• The documentation follows the Home Assistant documentation standards.

[probot-home-assistant]

It seems that this PR is targeted against an incorrect branch. Documentation updates which apply to our current stable release should target the current branch. Please change the target branch of this PR to current and rebase if needed. If this is documentation for a new feature, please add a link to that PR in your description.
_{^{(message by DocsTargetBranch)}}

[frenck]

Thanks, @CoMPaTech 👍

[bouwew]

Sorry, I'm a little late :)

23: climate: a single Tom can also be a climate-entity. Please add Tom in the list.
140: typo nd --> and
29, 141: plug --> Plug